Exercise frame system

Abstract

The present invention discloses a new, more stable locking pin system for use in constructing adjustable exercise machine designs.

What is claimed is: 
     
       1. A frame system consisting of:
 a) a plurality of tubes formed to predetermined lengths for constructing a frame; 
 b) a plurality of connectors for attaching tubes together to hold the frame together or attach accessories to the frame: and 
 c) a plurality of locking pins, the locking pins comprising at least three flat longitudinal sides and a length which enters a matching flat sided hole on one side of the tube or a tube connector and out a matching flat sided hole on the opposite side of the tube or a tube connector and is held in place by a cap on one end of the pin and one or more flexible nubs on the other end of the pin extending radially outward from one of the flat longitudinal sides, and positioned entirely on the surface of said flat longitudinal side of the locking pin, the nub and cap positioned to be outside the tube or a tube connector. 
 
     
     
       2. The frame system according to  claim 1  wherein there are 2 nubs on each pin. 
     
     
       3. The frame system according to  claim 1  wherein the pins and holes are rectangular sided. 
     
     
       4. The frame system according to  claim 3  wherein the locking pin is square. 
     
     
       5. The frame system according to  claim 1  which comprises exercise equipment attached to the frame using the locking pins of  claim 1 . 
     
     
       6. The frame system according to  claim 1  which further comprises accessories attached to the frame using the locking pins of  claim 1 . 
     
     
       7. The frame system according to  claim 6  wherein the accessories are a plurality of four foot bases used on an assembled frame.